<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
        div{
            width: 100px;
            height: 100px;
            background-color: red;
            margin: 100px auto 0;
            transition: 3s;
        }
        div:hover{
            background-color: blue;
            transform: scale(2);
            border-radius: 50px;
            transform:scale(2) rotate(360deg)

        }
    </style>
</head>
<body>
       <div>
       </div>
</body>
</html>